4-Fluoro-D-phenylalanine hydrochloride
4-Fluoro-D-phenylalanine hydrochloride (CAS: 122839-52-5), with the linear formula FC6H4CH2CH(NH2)CO2H · HCl and a molecular weight of 219.64 g/mol, is a specialised unnatural amino acid derivative. This compound is primarily utilised in chemical biology and synthesis, particularly within peptide chemistry research. Its specific structure makes it a valuable building block for creating novel peptides and proteins with altered properties, contributing to advancements in biochemical and pharmaceutical studies.

Chemical Biology Research
Utilised as a building block in the synthesis of modified peptides and proteins for studying biological processes and molecular interactions. Its incorporation can alter protein structure and function.
Peptide Synthesis
Serves as a key component in the development of unnatural peptides. These custom peptides can exhibit unique pharmacological or biochemical properties, useful in drug discovery and biochemical research.
Chemical Synthesis Intermediate
Employed in advanced organic synthesis for the creation of complex molecules. The fluorine atom and chiral centre offer specific reactivity and stereochemical control in synthetic pathways.
Biochemical Probe Development
Can be incorporated into probes designed to investigate enzyme mechanisms or protein-ligand binding. The fluorine moiety may serve as a useful handle for spectroscopic analysis.
| Molecular weight | 219.64 |
|---|---|
| Linear formula | FC6H4CH2CH(NH2)CO2H · HCl |
| Assay | 99% |
| Optical activity | [α]23/D +11°, c = 1 in H2O |
| Melting point | 245 °C (dec.)(lit.) |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25 |
| Safety statements (S) | 45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 4-Fluoro-D-phenylalanine hydrochloride used for?
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4-Fluoro-D-phenylalanine hydrochloride is used in chemical biology and synthesis, especially in peptide chemistry, for creating novel peptides and proteins with altered properties.
What is the CAS number and molecular formula for 4-Fluoro-D-phenylalanine hydrochloride?
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The CAS number is 122839-52-5 and the linear formula is FC6H4CH2CH(NH2)CO2H · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Fluoro-D-phenylalanine hydrochloride with an assay of 99%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 4-Fluoro-D-phenylalanine hydrochloride be handled?
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This compound is classified as acutely toxic if swallowed (H301). Handle with extreme care, avoiding ingestion, and use appropriate personal protective equipment in a well-ventilated area. Refer to the safety data sheet for comprehensive handling instructions.
Is 4-Fluoro-D-phenylalanine hydrochloride a controlled substance?
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Based on the provided data, 4-Fluoro-D-phenylalanine hydrochloride is not indicated as a controlled substance. However, users should verify local regulations.
How is this chemical packed and exported?
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Tech Serve Solutions packs and exports chemicals according to international shipping regulations, ensuring safe transit. Specific packaging details are available upon request.
How can I request a sample or quote for 4-Fluoro-D-phenylalanine hydrochloride?
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To request a sample or a quotation, please contact our sales department through the website or by phone, providing your details and the product CAS number 122839-52-5.
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